Home / 666,917.49-1,000,535.37-217,639.19

Finding the Fourth Proportional to 666,917.49, 1,000,535.37 and 217,639.19

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Solution

The fourth proportional to 666,917.49, 1,000,535.37 and 217,639.19 is: 326,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,917.49 : 1,000,535.37 = 217,639.19 : x
  2. Step 2: Convert to fraction form
    666,917.49/1,000,535.37 = 217,639.19/x
  3. Step 3: Cross multiply
    666,917.49x = 1,000,535.37 × 217,639.19
  4. Step 4: Simplify right side
    666,917.49x = 217,755,707,493.15
  5. Step 5: Solve for x
    x = 217,755,707,493.15/666,917.49
  6. Step 6: Final answer
    x = 326,510.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.